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Display panels

Active Publication Date: 2016-05-12
INNOLUX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes an improvement in the structure of spacers used in display panels. The spacer has an undercut structure that increases its elastic recovery, decreasing the number of spacers needed in high resolution LCD panels and increasing the aperture ratio. The text also provides design recommendations for an alignment film that enhances adhesion between the spacer and substrate and facilitates the alignment of liquid-crystal molecules in the LCD panels.

Problems solved by technology

However, the cone-shaped or the column-shaped photo spacers have a poor elastic recovery.
Thus, the number of photo spacers used in LCD panels is great.
An increase in the number of photo spacers used in LCD panels will reduce the aperture ratio of the LCD panels, which is disadvantageous to the LCD panels with high resolution.

Method used

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Embodiment Construction

[0014]The following description is of the contemplated mode of carrying out some embodiments of display panels of the disclosure. This description is made for the purpose of illustrating the general principles of some embodiments of the disclosure and should not be taken in a limiting sense.

[0015]It is emphasized that, in accordance with the standard practice in the industry, various features in the accompanying drawings are not drawn to scale. The dimensions of the various features in the accompanying drawings may be arbitrarily increased or reduced for the sake of simplicity and clarity of discussion. Moreover, in the descriptions and the accompanying drawings of the embodiments that follow, the orientations of “on”, “over”, “above”, “under” and “below” are used for representing the relationship between the relative positions of each element in the display panels, and not used to limit the present disclosure. In fact, in the orientation of using the display panels, the CF substrat...

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Abstract

A display panel includes a first substrate, a second substrate and a display medium. At least one spacer is formed on the top surface of the first substrate and is disposed between the first substrate and the second substrate. An alignment film is formed on the first substrate and covers the spacer. The spacer has a first width and a second width in a direction perpendicular to a normal vector of the first substrate. The location of the second width is nearer to the first substrate than that of the first width. The second width is smaller than the first width. The alignment film has a first thickness at the location of the spacer having the first width and has a second thickness at the location of the spacer having the second width. The second thickness is greater than the first thickness.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority of the Taiwan Patent Application No. 103138990, filed on Nov. 11, 2014, the entirety of which is incorporated by reference herein.BACKGROUND[0002]1. Field of the Invention[0003]The present invention relates to display panel technology, and in particular to spacers of display panels.[0004]2. Description of the Related Art[0005]Liquid-crystal display (LCD) panels are the primary component in plane displays. An LCD panel basically includes two glass substrates and a liquid-crystal layer sandwiched between the two glass substrates. The two glass substrates are a color filter (CF) substrate and a thin-film transistor (TFT) substrate, respectively. The CF substrate and the TFT substrate are spaced apart from each other by a certain distance. The liquid-crystal layer is filled in the space between the two substrates.[0006]In order to maintain the gap between the two substrates constant, bead spacers of uniform pa...

Claims

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Application Information

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IPC IPC(8): G02F1/1339G02F1/1368G02F1/1335G02F1/1337
CPCG02F1/13394G02F1/1337G02F2001/133357G02F1/133514G02F2001/13398G02F1/1368G02F1/133707
Inventor HSIAO, YI-CHENWANG, CHAO-HSIANGCHEN, YI-CHING
Owner INNOLUX CORP
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